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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [native/] [fdlibm/] [w_log.c] - Rev 774
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/* @(#)w_log.c 1.3 95/01/18 */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunSoft, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ /* * wrapper log(x) */ #include "fdlibm.h" #ifdef __STDC__ double log(double x) /* wrapper log */ #else double log(x) /* wrapper log */ double x; #endif { #ifdef _IEEE_LIBM return __ieee754_log(x); #else double z; z = __ieee754_log(x); if(_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0) return z; if(x==0.0) return __kernel_standard(x,x,16); /* log(0) */ else return __kernel_standard(x,x,17); /* log(x<0) */ #endif }